Description: Anti-slip particles on the inside of the finger Enhanced anti-slip effect with an opening at the fingertips More durable, durable and tear resistant The finger sleeve and the finger are precisely fitted and the size is just right. Fingers are breathable, not easy to sweat and stuffy Specification: Size: 20*10mm Scope of application: 3D printing pen Package Includes: 5x 3D Printing Pen Heat Insulation Finger Cover Note: Random delivery